@misc{Dunsby_Frank_S._N._Danzig,,
 author={Dunsby, Frank S. N.},
 howpublished={online},
 publisher={Frank S. N. Dunsby},
 language={eng},
 type={książka},
 title={Danzig, Marienburg, Oliva, Zoppot : historical and descriptive},
 keywords={Gdańsk (Polska), historia., Sopot (Polska), Malbork (Polska)},
}